chore: 同步当前开发内容

src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfMiniUserRepository.cs

@@ -0,0 +1,54 @@
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Identity.Entities;
+using TakeoutSaaS.Domain.Identity.Repositories;
+
+namespace TakeoutSaaS.Infrastructure.Identity.Persistence;
+
+/// <summary>
+/// EF Core 小程序用户仓储实现。
+/// </summary>
+public sealed class EfMiniUserRepository : IMiniUserRepository
+{
+    private readonly IdentityDbContext _dbContext;
+
+    public EfMiniUserRepository(IdentityDbContext dbContext)
+    {
+        _dbContext = dbContext;
+    }
+
+    public Task<MiniUser?> FindByOpenIdAsync(string openId, CancellationToken cancellationToken = default)
+        => _dbContext.MiniUsers.AsNoTracking().FirstOrDefaultAsync(x => x.OpenId == openId, cancellationToken);
+
+    public Task<MiniUser?> FindByIdAsync(Guid id, CancellationToken cancellationToken = default)
+        => _dbContext.MiniUsers.AsNoTracking().FirstOrDefaultAsync(x => x.Id == id, cancellationToken);
+
+    public async Task<MiniUser> CreateOrUpdateAsync(string openId, string? unionId, string? nickname, string? avatar, Guid tenantId, CancellationToken cancellationToken = default)
+    {
+        var user = await _dbContext.MiniUsers.FirstOrDefaultAsync(x => x.OpenId == openId, cancellationToken);
+        if (user == null)
+        {
+            user = new MiniUser
+            {
+                Id = Guid.NewGuid(),
+                OpenId = openId,
+                UnionId = unionId,
+                Nickname = nickname ?? "小程序用户",
+                Avatar = avatar,
+                TenantId = tenantId
+            };
+            _dbContext.MiniUsers.Add(user);
+        }
+        else
+        {
+            user.UnionId = unionId ?? user.UnionId;
+            user.Nickname = nickname ?? user.Nickname;
+            user.Avatar = avatar ?? user.Avatar;
+        }
+
+        await _dbContext.SaveChangesAsync(cancellationToken);
+        return user;
+    }
+}